This article has been revised and re-posted from August 2011. It first appeared as a Vic Skeptics discussion pamphlet by Peter Barrett of Canberra Skeptics, but it’s up to date: from time to time these machines still get promoted in niche magazines and websites. Vic Skeptics and our interstate colleagues are from time to time called upon to test claims for “Over-parity Engines”, a.k.a Free Energy Machines.
The full range of our discussion pamphlets can be downloaded from the “Useful Info” link at the top of this page.
Imagine you have an ordinary one litre jug. Two things which I’m sure you’d agree with are that you couldn’t pour more than a litre of water into it or empty more than one litre out of it.
Now imagine you had two such jugs, one full to the brim with water and the other empty. Pour the water from one jug to the…
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